Which cranial nerve may be assessed by noting the symmetry of the facial expression during crying or smiling?
1. Cranial nerve VII
2. Cranial nerve V
3. Cranial nerve III
4. Cranial nerve VI
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1. Cranial nerve VII, the facial nerve, is responsible for symmetrical facial muscle movement.
2. Cranial nerve V, the Trigeminal nerve, controls mastication and facial sensation.
3. Cranial nerve III assesses oculomotor reflex.
4. Cranial nerve VI assesses the trochlear area.
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